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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 Country | Dec. 31, 2012 | Dec. 31, 2011
Schedule Of Accounting Policies [Line Items] |  |  |
Number of Countries in which Entity Operates | 14 |  |
Loss on foreign currency transactions | $ 624 | $ 410 | $ 760
Percent of renewals within median VSOE range | 80.00% |  |
Range within median renewal percentage rate | 15.00% |  |
Software development costs were capitalized | $ 0 | $ 0 | $ 0
Patents [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives of assets | 20 years |  |
DigiNotar B.V. [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Percentage of stock acquired by the company | 100.00% |  |
Minimum [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives of assets | 3 years |  |
Warranty for hardware purchase | 1 year |  |
Extended product warranty period | 1 year |  |
Minimum [Member] | Software Development Costs [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated economic life of product | 2 years |  |
Minimum [Member] | Proprietary Technology [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives of assets | 3 years |  |
Maximum [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives of assets | 7 years |  |
Warranty for hardware purchase | 2 years |  |
Extended product warranty period | 4 years |  |
Maximum [Member] | Software Development Costs [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated economic life of product | 5 years |  |
Maximum [Member] | Proprietary Technology [Member] |  |  |
Schedule Of Accounting Policies [Line Items] |  |  |
Estimated useful lives of assets | 7 years |  |

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- Definition Aggregate realized and unrealized loss on foreign currency transactions included in net income. Includes loss on a foreign currency forward exchange contract. Does not include foreign currency transactions designated as hedges of net investment in a foreign entity or intercompany foreign currency transactions that are of a long-term nature. Gross of tax effect. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 52 -Paragraph 15, 20, 30 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Details
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